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Izo[7] is the commander of the 16th division of the Whitebeard Pirates.

Izo is a cross-dressing man who wears a pink and purple kimono. He has a pale complexion and hair tied in a geisha-like fashion. He also has another Japanese-style, red polka-dotted outfit tied around his waist.

Izo is very loyal to the Whitebeard Pirates and Whitebeard, as he was willing to risk his own life to save Ace from execution during the Battle of Marineford.

Before joining the Whitebeard Pirates, Izo was loyal and very close to Kozuki Oden after he found him and his younger sister Kikunojo on the dirty and hungry streets of Ringo. Even 20 years after Oden's death, Izo is still very loyal to him, having returned to Wano to seek revenge on Orochi and Kaido.

Izo seems to value a glorious and meaningful death over his own life, stating that he has missed the chance to have one many times and is thus ready to lose his life in the attack against Kaido's rule over Wano.[10]

Izo is extremely skilled with his pistols, especially in hand-to-hand combat. With a single shot, he was able to break a sword in half, as well as wound its owner, shooting moments before it cut him.

He wields a pair of black powder pistols.